:root {
  --bg: #121212;
  --bg-card: #1A1A1A;
  --bg-card-hover: #222;
  --bg-sidebar: #0D0D0D;
  --text: #FFFFFF;
  --text-muted: #AAAAAA;
  --text-dim: #666;
  --accent: #FF4C4C;
  --accent-glow: rgba(255,76,76,0.2);
  --accent-glow-strong: rgba(255,76,76,0.35);
  --border: rgba(255,255,255,0.06);
  --border-hover: rgba(255,76,76,0.25);
  --font-body: 'Inter', sans-serif;
  --font-heading: 'Poppins', sans-serif;
  --sidebar-width: 280px;
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 16px;
  --radius-full: 50%;
  --transition: 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }

html { scroll-behavior: smooth; scroll-padding-top: 80px; -webkit-font-smoothing: antialiased; }

body {
  font-family: var(--font-body);
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  overflow-x: hidden;
}

::selection { background: var(--accent); color: #fff; }

::-webkit-scrollbar { width: 5px; }
::-webkit-scrollbar-track { background: var(--bg); }
::-webkit-scrollbar-thumb { background: #333; border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: #444; }

a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }

/* ─── SIDEBAR ─── */
.sidebar {
  position: fixed;
  top: 0;
  left: 0;
  width: var(--sidebar-width);
  height: 100vh;
  background: #0A0A0A;
  border-right: 1px solid rgba(255,255,255,0.04);
  z-index: 100;
  display: flex;
  flex-direction: column;
  overflow-y: auto;
}

.sidebar-inner {
  display: flex;
  flex-direction: column;
  height: 100%;
  padding: 2rem 1.5rem;
}

.sidebar-profile { text-align: center; padding-bottom: 1rem; margin-bottom: 1rem; border-bottom: 1px solid rgba(255,255,255,0.04); }

.sidebar-avatar {
  position: relative;
  width: 72px; height: 72px;
  border-radius: var(--radius-full);
  overflow: hidden;
  margin: 0 auto 0.75rem;
  box-shadow: 0 0 0 3px var(--accent-glow);
}

.sidebar-avatar img { width: 100%; height: 100%; object-fit: cover; }

.sidebar-avatar-ring {
  position: absolute; inset: -2px;
  border-radius: var(--radius-full);
  border: 2px solid var(--accent);
  pointer-events: none;
}

.sidebar-active-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.3rem;
  padding: 0.15rem 0.65rem;
  background: rgba(34,197,94,0.1);
  border: 1px solid rgba(34,197,94,0.2);
  border-radius: 50px;
  font-size: 0.65rem;
  font-weight: 600;
  color: #22C55E;
  margin-bottom: 0.5rem;
  letter-spacing: 0.3px;
}

.sidebar-active-badge::before {
  content: '';
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: #22C55E;
  box-shadow: 0 0 4px rgba(34,197,94,0.5);
  animation: dot-pulse 2s ease-in-out infinite;
}

.sidebar-name {
  font-family: var(--font-heading);
  font-size: 1rem;
  font-weight: 700;
  color: var(--text);
  margin-bottom: 0.6rem;
}

.sidebar-search {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.5rem 0.85rem;
  background: rgba(255,255,255,0.03);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  max-width: 200px;
  margin: 0 auto;
}

.sidebar-search i { font-size: 0.8rem; color: var(--text-dim); }
.sidebar-search input {
  background: none; border: none; outline: none;
  font-family: var(--font-body); font-size: 0.8rem;
  color: var(--text-muted); width: 100%;
}
.sidebar-search input::placeholder { color: var(--text-dim); }

.sidebar-nav { display: flex; flex-direction: column; gap: 0.15rem; flex: 1; }

.nav-link {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.65rem 0.85rem;
  border-radius: var(--radius-sm);
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--text-muted);
  transition: all var(--transition);
  position: relative;
}

.nav-link i { width: 18px; font-size: 0.9rem; flex-shrink: 0; }

.nav-link:hover { color: var(--text); background: rgba(255,255,255,0.03); }

.nav-link.active {
  color: #fff;
  background: var(--accent);
}

.nav-link.active i { color: #fff; }

.sidebar-social { padding-top: 1.5rem; border-top: 1px solid var(--border); }

.sidebar-social-label {
  display: block;
  font-size: 0.7rem;
  font-weight: 600;
  color: var(--text-dim);
  text-transform: uppercase;
  letter-spacing: 1.5px;
  margin-bottom: 0.75rem;
}

.sidebar-social-icons { display: flex; gap: 0.5rem; }

.sidebar-social-icons a {
  display: inline-flex; align-items: center; justify-content: center;
  width: 34px; height: 34px;
  border-radius: var(--radius-sm);
  color: var(--text-dim);
  font-size: 0.95rem;
  transition: all var(--transition);
}

.sidebar-social-icons a:hover { color: var(--accent); background: rgba(255,76,76,0.06); }

@keyframes dot-pulse { 0%, 100% { opacity: 1; } 50% { opacity: 0.5; } }

/* ─── MAIN CONTENT ─── */
.main-content {
  margin-left: var(--sidebar-width);
  min-height: 100vh;
}

.container { max-width: 1000px; margin: 0 auto; padding: 0 2rem; }

/* ─── BUTTONS ─── */
.btn {
  display: inline-flex; align-items: center; gap: 0.5rem;
  padding: 0.7rem 1.5rem;
  font-family: var(--font-body); font-size: 0.9rem; font-weight: 600;
  border-radius: var(--radius-sm);
  text-decoration: none;
  transition: all var(--transition);
  border: none; cursor: pointer;
}

.btn--primary {
  background: var(--accent);
  color: #fff;
  box-shadow: 0 4px 16px var(--accent-glow);
  border-radius: 50px;
}

.btn--primary:hover { background: #E04444; transform: translateY(-2px); box-shadow: 0 6px 24px var(--accent-glow-strong); }

.btn--outline {
  background: rgba(255,255,255,0.04);
  color: var(--text);
  border: 1.5px solid rgba(255,255,255,0.2);
  border-radius: 50px;
}

.btn--outline:hover { border-color: var(--accent); color: var(--accent); transform: translateY(-2px); }



/* ─── SECTION ─── */
.section { padding: 5rem 0; }

.section-header { margin-bottom: 3rem; }

.section-tag {
  display: inline-block;
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--accent);
  letter-spacing: 2px;
  margin-bottom: 0.5rem;
  font-family: var(--font-heading);
}

.section-title {
  font-family: var(--font-heading);
  font-size: 2.25rem;
  font-weight: 800;
  color: var(--text);
  line-height: 1.15;
  margin-bottom: 0.5rem;
}

.section-subtitle { font-size: 0.9rem; color: var(--text-muted); }

/* ─── HOME ─── */
.home-section { min-height: 100vh; display: flex; align-items: center; }

.home-grid { display: grid; grid-template-columns: 1.2fr 0.8fr; gap: 3rem; align-items: center; }

.home-greeting { font-size: 0.9rem; color: var(--text-muted); display: block; margin-bottom: 0.5rem; }

.home-name {
  font-family: var(--font-heading);
  font-size: 4rem;
  font-weight: 900;
  color: var(--accent);
  line-height: 1.05;
  letter-spacing: -0.02em;
  margin-bottom: 0.5rem;
}

.home-animated-wrap {
  font-size: 1.25rem;
  color: var(--text);
  margin-bottom: 1rem;
  min-height: 1.8em;
  font-weight: 500;
}

.home-animated {
  display: inline;
  color: var(--accent);
  font-weight: 600;
  border-right: 2px solid var(--accent);
  padding-right: 2px;
  animation: blink-caret 0.75s step-end infinite;
}

@keyframes blink-caret { 50% { border-color: transparent; } }

.home-bio { font-size: 0.95rem; color: var(--text-muted); line-height: 1.7; margin-bottom: 1.5rem; max-width: 480px; }

.home-buttons { display: flex; gap: 0.75rem; flex-wrap: wrap; align-items: center; }

.home-social-links { display: flex; gap: 0.75rem; margin-top: 0.75rem; }

.home-social-icon {
  display: inline-flex; align-items: center; justify-content: center;
  width: 36px; height: 36px;
  border-radius: var(--radius-sm);
  color: var(--text-dim);
  font-size: 0.95rem;
  transition: all var(--transition);
}

.home-social-icon:hover { color: var(--accent); background: rgba(255,76,76,0.06); transform: translateY(-2px); }

.home-email-link {
  display: inline-block;
  margin-top: 0.25rem;
  font-size: 0.78rem;
  color: var(--text-dim);
  transition: color var(--transition);
}

.home-email-link:hover { color: var(--accent); }

.home-avatar {
  position: relative;
  width: 300px; height: 300px;
  border-radius: 50%;
  overflow: hidden;
  box-shadow: 0 0 0 3px var(--accent), 0 8px 40px rgba(0,0,0,0.4);
  transition: box-shadow var(--transition);
}

.home-avatar img { width: 100%; height: 100%; object-fit: cover; border-radius: 50%; }

.home-avatar:hover { box-shadow: 0 0 0 5px var(--accent), 0 12px 50px rgba(0,0,0,0.5); }

.home-visual { display: flex; flex-direction: column; align-items: center; gap: 0.75rem; }

.home-active-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.3rem;
  padding: 0.2rem 0.75rem;
  background: rgba(34,197,94,0.1);
  border: 1px solid rgba(34,197,94,0.2);
  border-radius: 50px;
  font-size: 0.65rem;
  font-weight: 600;
  color: #22C55E;
  letter-spacing: 0.3px;
}

.home-availability-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.3rem;
  padding: 0.2rem 0.75rem;
  background: rgba(34,197,94,0.1);
  border: 1px solid rgba(34,197,94,0.2);
  border-radius: 50px;
  font-size: 0.65rem;
  font-weight: 600;
  color: #22C55E;
  letter-spacing: 0.3px;
}

.home-active-badge::before {
  content: '';
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: #22C55E;
  box-shadow: 0 0 4px rgba(34,197,94,0.5);
  animation: dot-pulse 2s ease-in-out infinite;
}

/* ─── ABOUT ─── */
.about-grid { display: grid; grid-template-columns: 1.3fr 0.7fr; gap: 3rem; align-items: start; }

.about-text p { font-size: 0.95rem; color: var(--text-muted); line-height: 1.8; margin-bottom: 1rem; }
.about-text strong { color: var(--text); font-weight: 600; }

.about-info-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.75rem;
  margin-top: 1.5rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--border);
}

.about-info-item { display: flex; flex-direction: column; gap: 0.15rem; }

.about-info-label { font-size: 0.7rem; color: var(--text-dim); text-transform: uppercase; letter-spacing: 1px; font-weight: 600; }
.about-info-value { font-size: 0.9rem; color: var(--text); font-weight: 500; }

.about-stats { display: flex; flex-direction: column; gap: 0.75rem; }

.about-stat-card {
  text-align: center;
  padding: 1.25rem;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  transition: all var(--transition);
}

.about-stat-card:hover { border-color: var(--border-hover); }

.about-stat-num { display: block; font-family: var(--font-heading); font-size: 2rem; font-weight: 800; color: var(--accent); line-height: 1; margin-bottom: 0.25rem; }

.about-stat-label { font-size: 0.8rem; color: var(--text-dim); font-weight: 500; }

/* ─── SKILLS ─── */
.skills-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 1.25rem; }

.skill-group {
  padding: 1.5rem;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  transition: border-color var(--transition);
}

.skill-group:hover { border-color: var(--border-hover); }

.skill-group-title {
  font-family: var(--font-heading);
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--text);
  margin-bottom: 1rem;
  padding-bottom: 0.5rem;
  border-bottom: 1px solid var(--border);
}

.skill-boxes { display: grid; grid-template-columns: 1fr 1fr; gap: 0.5rem; }

.skill-box {
  position: relative;
  padding: 0.75rem 1rem;
  background: rgba(255,255,255,0.02);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  text-align: center;
  overflow: hidden;
  transition: border-color var(--transition);
}

.skill-box:hover { border-color: var(--accent); }

.skill-box-label { font-size: 0.78rem; color: var(--text-muted); font-weight: 500; position: relative; z-index: 1; }

.skill-box-fill {
  position: absolute;
  inset: 0;
  width: 0;
  background: linear-gradient(90deg, rgba(255,76,76,0.08), rgba(255,76,76,0.03));
  border-radius: inherit;
  transition: width 1.2s cubic-bezier(0.16, 1, 0.3, 1);
}

.skill-box.animated .skill-box-fill { width: var(--percent); }

/* ─── EDUCATION ─── */
.edu-timeline { position: relative; max-width: 600px; margin: 0 auto; padding-left: 2rem; }

.edu-timeline::before {
  content: ''; position: absolute; left: 7px; top: 0; bottom: 0;
  width: 2px; background: linear-gradient(to bottom, var(--accent), rgba(255,76,76,0.2)); border-radius: 1px;
}

.edu-item { position: relative; margin-bottom: 2rem; padding-left: 2rem; }
.edu-item:last-child { margin-bottom: 0; }

.edu-dot {
  position: absolute; left: -2rem; top: 1.25rem;
  width: 16px; height: 16px;
  background: var(--bg); border: 2px solid var(--accent); border-radius: var(--radius-full);
  box-shadow: 0 0 0 4px var(--accent-glow);
}

.edu-card {
  padding: 1.25rem 1.5rem;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  transition: all var(--transition);
}

.edu-card:hover { border-color: var(--border-hover); transform: translateX(5px); }

.edu-year { display: inline-block; padding: 0.15rem 0.6rem; background: rgba(255,76,76,0.08); color: var(--accent); font-size: 0.7rem; font-weight: 600; border-radius: 100px; margin-bottom: 0.5rem; }

.edu-title { font-family: var(--font-heading); font-size: 0.95rem; font-weight: 700; color: var(--text); margin-bottom: 0.2rem; }

.edu-place { font-size: 0.8rem; color: var(--text-dim); display: block; }

/* ─── EXPERIENCE ─── */
.experience-card {
  padding: 1.5rem;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  transition: all var(--transition);
  max-width: 600px;
  margin: 0 auto;
}

.experience-card:hover { border-color: var(--border-hover); }

.exp-header { margin-bottom: 0.75rem; }

.exp-title { font-family: var(--font-heading); font-size: 1.1rem; font-weight: 700; color: var(--text); margin-bottom: 0.35rem; }

.exp-tag {
  display: inline-block;
  padding: 0.15rem 0.55rem;
  background: rgba(255,76,76,0.08);
  color: var(--accent);
  font-size: 0.65rem;
  font-weight: 600;
  border-radius: 100px;
  letter-spacing: 0.3px;
  margin-right: 0.35rem;
}

.exp-tag--muted { background: rgba(255,255,255,0.04); color: var(--text-dim); }

.exp-desc { font-size: 0.9rem; color: var(--text-muted); line-height: 1.6; }

/* ─── PROJECTS ─── */
.project-card {
  position: relative;
  padding: 2rem;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: all var(--transition);
  max-width: 650px;
  margin: 0 auto;
}

.project-card:hover { border-color: var(--border-hover); }

.project-card-bg {
  position: absolute; top: -50%; right: -50%; width: 100%; height: 100%;
  background: radial-gradient(circle, rgba(255,76,76,0.03), transparent);
  pointer-events: none; transition: transform var(--transition);
}

.project-card:hover .project-card-bg { transform: scale(1.5); }

.project-card-content { position: relative; z-index: 1; }

.project-title { font-family: var(--font-heading); font-size: 1.3rem; font-weight: 800; color: var(--text); margin-bottom: 0.75rem; }

.project-desc { font-size: 0.9rem; color: var(--text-muted); line-height: 1.7; margin-bottom: 1rem; }

.project-tags { display: flex; flex-wrap: wrap; gap: 0.4rem; margin-bottom: 1.25rem; }

.project-tags span { padding: 0.2rem 0.65rem; background: rgba(255,76,76,0.06); color: var(--accent); border-radius: 100px; font-size: 0.7rem; font-weight: 500; }

/* ─── SERVICES ─── */
.services-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.25rem; }

.service-card {
  padding: 2rem 1.5rem;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  transition: all var(--transition);
}

.service-card:hover { border-color: var(--border-hover); transform: translateY(-4px); }

.service-icon { font-size: 1.5rem; color: var(--accent); margin-bottom: 1rem; }

.service-title { font-family: var(--font-heading); font-size: 1.05rem; font-weight: 700; color: var(--text); margin-bottom: 0.6rem; }

.service-desc { font-size: 0.85rem; color: var(--text-muted); line-height: 1.7; }

/* ─── CONTACT ─── */


/* ─── FOOTER ─── */
.footer { padding: 2rem 0; border-top: 1px solid var(--border); }

.footer-inner { display: flex; align-items: center; justify-content: space-between; }

.footer-inner span { font-size: 0.8rem; color: var(--text-dim); }

.footer-social { display: flex; gap: 0.75rem; }

.footer-social a { color: var(--text-dim); font-size: 1rem; transition: color var(--transition); }

.footer-social a:hover { color: var(--accent); }

/* ─── SCROLL REVEAL ─── */
.reveal { opacity: 0; transform: translateY(30px); transition: opacity 0.6s ease, transform 0.6s ease; }
.reveal.visible { opacity: 1; transform: translateY(0); }
.reveal-left { opacity: 0; transform: translateX(-30px); transition: opacity 0.6s ease, transform 0.6s ease; }
.reveal-left.visible { opacity: 1; transform: translateX(0); }
.reveal-right { opacity: 0; transform: translateX(30px); transition: opacity 0.6s ease, transform 0.6s ease; }
.reveal-right.visible { opacity: 1; transform: translateX(0); }
.reveal-scale { opacity: 0; transform: scale(0.95); transition: opacity 0.6s ease, transform 0.6s ease; }
.reveal-scale.visible { opacity: 1; transform: scale(1); }

/* ─── RESPONSIVE ─── */
@media (max-width: 1024px) {
  .home-grid { grid-template-columns: 1fr; text-align: center; }
  .home-bio { margin: 0 auto 1.5rem; }
  .home-buttons { justify-content: center; }
  .home-social-links { justify-content: center; }
  .home-visual { order: -1; }
  .home-avatar { width: 220px; height: 220px; }
  .home-name { font-size: 3rem; }

  .about-grid { grid-template-columns: 1fr; }
  .about-stats { display: grid; grid-template-columns: repeat(3, 1fr); margin-top: 2rem; }
  .services-grid { grid-template-columns: 1fr; max-width: 500px; margin: 0 auto; }

}

@media (max-width: 900px) {
  .sidebar { transform: translateX(-100%); transition: transform var(--transition); z-index: 200; }
  .sidebar.open { transform: translateX(0); }
  .main-content { margin-left: 0; }
  .home-name { font-size: 2.5rem; }
  .home-avatar { width: 200px; height: 200px; }
  .section-title { font-size: 1.75rem; }
  .skills-grid { grid-template-columns: 1fr; }

}

@media (max-width: 600px) {
  .section { padding: 3rem 0; }
  .home-name { font-size: 1.75rem; }
  .home-avatar { width: 160px; height: 160px; }
  .home-buttons { flex-direction: column; align-items: stretch; }
  .home-buttons .btn { justify-content: center; }
  .home-social-links { justify-content: center; }
  .about-stats { grid-template-columns: 1fr; }
  .services-grid { grid-template-columns: 1fr; }
  .section-title { font-size: 1.35rem; }
  .edu-timeline { padding-left: 1.5rem; }
  .edu-dot { left: -1.5rem; width: 12px; height: 12px; }
  .experience-card { max-width: 100%; }
  .footer-inner { flex-direction: column; gap: 0.75rem; text-align: center; }
}

/* Mobile toggle */
.sidebar-toggle {
  display: none;
  position: fixed;
  top: 1rem; left: 1rem;
  z-index: 300;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 0.5rem;
  cursor: pointer;
  flex-direction: column;
  gap: 4px;
}

.sidebar-toggle span { display: block; width: 20px; height: 2px; background: var(--text); border-radius: 2px; transition: all var(--transition); }

.sidebar-toggle.active span:nth-child(1) { transform: translateY(6px) rotate(45deg); }
.sidebar-toggle.active span:nth-child(2) { opacity: 0; }
.sidebar-toggle.active span:nth-child(3) { transform: translateY(-6px) rotate(-45deg); }

@media (max-width: 900px) { .sidebar-toggle { display: flex; } }

body.no-scroll { overflow: hidden; }
@media (min-width: 901px) { body.no-scroll { overflow: auto; } }